.my-table{
    border-collapse: collapse;
    border: 2px solid rgb(140 140 140);
    font-family: sans-serif;
    font-size: 0.8rem;
    letter-spacing: 1px;
}
thead,
tfoot {
  background-color: rgb(228 240 245);
}

th,
td {
  border: 1px solid rgb(160 160 160);
  padding: 8px 10px;
}

td:last-of-type {
  text-align: center;
  color:red;
}

#mybtn{
    background-color: yellow;
    padding: 0;
}

#mybtn th {
    background-color: lime;
}

#mybtn:hover{
    background-color: pink;
}

table > tfoot > tr > td {
    background-color: orange;
}

